Top picks: Censys Internet Map, Matos Automated Attack Surface Management, Palo Alto Networks Cortex Xpanse — plus 45 more compared.
Attack Surfacealtdns is a free External Attack Surface Management tool. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to altdns, including their key features and shared capabilities.
Internet intelligence platform for asset discovery and attack surface mapping
Automated ASM tool for multi-cloud environments with continuous asset discovery
Active attack surface mgmt solution for discovering & remediating unknown risks
External attack surface mapping service to discover exposed digital assets
External attack surface scanning for MSPs to identify vulnerabilities
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
Continuous external asset discovery and monitoring with daily domain scans.
Maps external attack surface including assets, dark web exposure, and leaks.
Internet intelligence platform for asset discovery and attack surface mapping
Automated ASM tool for multi-cloud environments with continuous asset discovery
Active attack surface mgmt solution for discovering & remediating unknown risks
External attack surface mapping service to discover exposed digital assets
External attack surface scanning for MSPs to identify vulnerabilities
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
Continuous external asset discovery and monitoring with daily domain scans.
Maps external attack surface including assets, dark web exposure, and leaks.
Passive pre-sale domain diagnostic tool for vCISOs, MSPs & MSSPs.
ASM platform for continuous discovery and risk validation of internet-exposed assets.
AI-powered EASM platform for digital asset discovery and monitoring.
Agentless EASM platform for asset discovery, exposure mgmt & risk reduction.
ZoomEye is an advanced cyberspace search engine that provides detailed information on cyberspace assets, including server software and version information, for cybersecurity experts, researchers, and enterprises.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
FestIn discovers open S3 buckets associated with a domain using crawling and DNS reconnaissance techniques.
A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.
Explore the top million websites, ranked by referring subnets, and gain insights into online influence and popularity.
WiGLE.net is a platform that collects and provides data on WiFi networks and cell towers, with over 1.3 billion networks collected.
FullHunt is a next-generation attack surface security platform that enables companies to discover, monitor, and secure their external attack surfaces.
A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment.
A source code search engine for searching alphanumeric snippets, signatures, or keywords in web page HTML, JS, and CSS code.
Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.
Automate your reconnaissance process with AttackSurfaceMapper, a tool for mapping and analyzing network attack surfaces.
Cloud_enum is a multi-cloud OSINT tool that enumerates publicly accessible resources across AWS, Azure, and Google Cloud platforms for security assessment purposes.
A Go-based tool for discovering and inventorying internet-facing AWS assets across single or multiple accounts to help maintain comprehensive cloud attack surface visibility.
An easy-to-use and lightweight API wrapper for Censys APIs with support for Python 3.8+.
A black-box reconnaissance tool that discovers cloud infrastructure, files, and applications across major cloud providers for security testing purposes.
A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys.
An automation framework that runs multiple open-source subdomain bruteforcing tools in parallel using Docker Compose and custom wordlists.
A subdomain scan tool that helps you find subdomains of a given domain.
A command-line tool for discovering domains and subdomains related to a target domain during reconnaissance activities.
A Python-based tool for external attack surface discovery and reconnaissance across large-scale networks, focusing on IP address and subdomain enumeration.
A Python API client for BuiltWith that enables programmatic access to website technology profiling and reconnaissance data.
A Go-based web crawler that supports multiple protocols and authentication methods for systematic web resource discovery and collection.
CloudScraper is an enumeration tool that discovers cloud storage resources including S3 buckets, Azure blobs, and DigitalOcean Spaces across target environments.
A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.
A tool for enumerating and analyzing Amazon S3 buckets associated with specific targets to identify potential security misconfigurations.
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
ASM platform that scans external attack surfaces hourly for vulnerabilities
Cloud platform for continuous visibility & mgmt of external attack surfaces
AI-powered attack surface management platform for cybersecurity monitoring
AI-powered platform for continuous attack surface discovery and pentesting
Discovers and monitors external-facing assets and vulnerabilities
External attack surface mgmt platform for discovering & monitoring assets
External attack surface management platform with continuous asset discovery
External attack surface management platform for discovering digital assets
Common questions security professionals ask when evaluating alternatives and competitors to altdns.
The most popular alternatives to altdns include Censys Internet Map, Matos Automated Attack Surface Management, Palo Alto Networks Cortex Xpanse, Zerocopter Recon, and ConnectSecure Attack Surface Scanning. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
There are 48 alternatives to altdns listed on CybersecTools, all within the External Attack Surface Management category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.
altdns is a free External Attack Surface Management tool. You can use it at no cost. Both free and commercial alternatives are available for comparison.
altdns is a External Attack Surface Management tool within the broader Attack Surface category. It is used by security professionals for external attack surface management capabilities and can be compared against 48 similar tools.
